Investor Presentation June 2021

Updated guidance • Reaffirm 5-7%¹ LT annual NEEPS growth FY21 NEEPS guidance increased to $4.30-$4.50 On track with $3.0B capex plan - - - 15+ years of infrastructure upgrades - 7-8% rate base growth 80%+ of utility spend recovered with min. lag or reflected in earnings Financing plan updated, lowering equity needs going forward - - $175M equity units issued Feb. 2021 - $305M Spire MO bonds priced May 13 • Targeted debt metrics remain - FFO/debt at 15-16% - Holdco debt percentage <20% ¹Using base year FY19 net economic earnings of $3.73 per share. 7 Spire | Investor presentation June 2021 Capital expenditures (Millions) 5-year forecast: ~$3.0B $625 $610 $600 $590 $590 $580 560 570 580 590 600 $425 FY21 FY22 Gas Utility FY23 FY24 FY25 Pipelines, storage and other Financing forecast* (Millions) $400 $100-150 $100-150 $175 $50-100 $25-75 FY22 FY23 FY21 Common and hybrid equity *Debt issuance net of maturities. Operating company long-term debt

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